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MediaWiki extensions manual
UserFunctions
Release status: stable
Implementation Parser function
Description Provides a set of parser functions that trigger on the current user
Author(s)
Latest version 2.8.1 (2022-07-20)
MediaWiki 1.35+
PHP 7.2+
Database changes No
Composer mediawiki/user-functions
License GNU General Public License 2.0 or later
Download
Download extension
Git [?]:
Example sandbox.semantic-mediawiki.org
Parameters

  • $wgUFEnabledPersonalDataFunctions
  • $wgUFAllowedNamespaces
  • $wgUFEnableSpecialContexts
Hooks used
Quarterly downloads 26 (Ranked 110th)
Translate the UserFunctions extension if it is available at translatewiki.net

The UserFunctions extension provides a set of dynamic parser functions that trigger on the current user.

Usage

By default, functions are only enabled in NS_MEDIAWIKI namespace, for enabling them in other namespaces, see the examples below.
If you are using these functions within your wiki's sidebar, you cannot set $wgEnableSidebarCache = true;.

Ayyuka (koyaushe akwai)

The following four functions are always available for use:

  • {{#ifanon:then|else}}
Tests whether the current user is anonymous.
  • {{#ifblocked:then|else}}
Tests whether the current user is blocked.
  • {{#ifsysop:then|else}}
Tests whether the current user is a sysop.
  • {{#ifingroup:group|then|else}}
Tests whether the current user is a member of the group "group". You can check for multiple groups as well:
{{#ifingroup:group1, group2, group3|then|else}}

Ayyuka (an kashe ta tsohuwa)

The following five personal data functions are disabled by default (see #Installation for how to enable them):

The functions described below are called personal data functions. They can be used to leak some of your user's personal data like their email address and real name.


If unsure, do not activate personal data functions.
  • {{#realname:alt}}
Returns the current user's real name. If the user is not logged in, this function returns the given alternate text or the user IP if no alternate is provided.
  • {{#username:alt}}
Returns the current username. If the user is not logged in, this function returns the given alternate text or the user IP if no alternate is provided.
  • {{#useremail:alt}}
Returns the current user's email address. If the user is not logged in, this function returns the given alternate text or the user IP if no alternate is provided.
  • {{#nickname:alt}}
Returns the current user's nickname. If the user has no nickname, returns the username. If the user is not logged in, this function returns the given alternate text or the user IP if no alternate is provided.
  • {{#ip:}}
Returns the current user's IP address.

Installation

  • Download and move the extracted UserFunctions folder to your extensions/ directory.
    Developers and code contributors should install the extension from Git instead, using:cd extensions/
    git clone https://gerrit.wikimedia.org/r/mediawiki/extensions/UserFunctions
  • Add the following code at the bottom of your LocalSettings.php file: 
    wfLoadExtension( 'UserFunctions' );
  • If you want to use any of the following functions: #realname, #username, #useremail, #nickname or #ip, add the following just after that line: 
    $wgUFEnabledPersonalDataFunctions = [
	'ip',
	'nickname',
	'realname',
	'useremail',
	'username',
];
If you are using an older version of the extension, the functions were included in bulk via: $wgUFEnablePersonalDataFunctions = true;
  • If you want to enable functions in other namespaces apart from NS_MEDIAWIKI (default), follow the model of some of the examples below.
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Allowing namespaces

By default, user functions only work in NS_MEDIAWIKI namespace.

Below there are some examples of allowing or disallowing the functions to work in other namespaces. The syntax is based on the one used with subpages. 

// Enable user functions additionally in namespace "Main"
// Adds values to the existing array
$wgUFAllowedNamespaces[NS_MAIN] = true;

// Enable user functions in namespaces "Main" and "User", but not in namespace "MediaWiki"
// Replaces values in the existing array
$wgUFAllowedNamespaces = [
        NS_MAIN => true,
        NS_USER => true
];

// Enable user functions in namespaces with the indexes from 0 to 200
// Replaces values in the existing array
$wgUFAllowedNamespaces = array_fill( 0, 200, true );

More info on namespace numbering.

In other contexts (recognized as NS -1, but not always a Special Page), such as in Page Forms pages, check you have the following parameter enabled: 

$wgUFEnableSpecialContexts = true;

The parameter above is enabled by default.

If you experience any problem with bots or maintenance scripts, turn it to false and report it to this talk page.

Version history

Authors: Algorithm and others

  • Version 2.8.1 () Allow disabling/enabling specific personal data functions - Universal Omega
Prior to this, the $wgUFEnabledPersonalDataFunctions configuration variable was named $wgUFEnablePersonalDataFunctions, and setting it to true would enable all personal data functions, and was only able to enable/disable all of them or none of them.
  • Version 2.8.0 () Convert to ExtensionRegistry and other code cleanups - Universal Omega
  • Version 2.7.0 () Removed PHP i18n shim - Kghbln
  • Version 2.6.1 () Provided syntax changes - Kghbln, Umherirrender
  • Version 2.6.0 () Composer-compatible extension - Toniher
  • Version 2.5.0 () Migrated to JSON i18n - Siebrand
  • Version 2.4.3 () Accumulated fixes and code cleaning - Chad Uckelman
  • Version 2.4.2 () Some code cleaning - Reedy
  • Version 2.4.1 () Fixed problems with Sidebar (report Kghbln). Cleared PHP warnings in functions - Toniher
  • Version 2.4 () Cleaned using current ParserFunctions models. Fix when editing Semantic Forms - Toniher
  • Version 2.3 () fixed problems when using scripts and allowed multiple groups to be checked against in ifingroup. - Toniher
  • Version 2.2 () added $wgUFAllowedNamespaces parameter. Users need to define in which allowed NS functions will work. - Toniher
  • Version 2.1 () added $wgUFEnablePersonalDataFunctions parameter. Migrated $wgUser to ParserOptions equivalent - Toniher
  • Version 2.0 () added i18n and compatibility with other parser function extensions - Toniher
  • Version 1.5 () added ip - Kghbln
  • Version 1.4 () added realname - Kghbln
  • Version 1.3 () added useremail - Wikinaut
  • Version 1.2 () added ifingroup - Louperivois
  • Version 1.1 () added nickname - Lexw
  • Version 1.0 () Algorithm

Issues and feature requests

Shirya matsala

Kalmar sihiri mara inganci

Idan kuna samun kuskure mai kama da wannan Kuskure: kalmar sihiri mara inganci 'ifanon', to yakamata kuyi gwada sake gina cache na gida. Ayyukan da ke cikin wannan tsawo ba zai yi lodi daidai ba ba tare da wannan karin bayanin na waje a cikin cache ba.

See also

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